Rosario Climate: Weather by Month and Best Time to Visit
Best months for Rosario: September, April, March, May.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 30°C | 19°C | 103 mm | 8 | – | – | 7.6 |
| February | 29°C | 18°C | 113 mm | 8 | – | – | 7.8 |
| March | 27°C | 17°C | 126 mm | 8 | – | – | 7.9 |
| April | 23°C | 13°C | 102 mm | 8 | – | – | 8.0 |
| May | 19°C | 10°C | 66 mm | 6 | – | – | 7.9 |
| June | 17°C | 7°C | 40 mm | 5 | – | – | 7.6 |
| July | 16°C | 6°C | 36 mm | 5 | – | – | 7.5 |
| August | 19°C | 8°C | 53 mm | 5 | – | – | 7.9 |
| September | 21°C | 10°C | 61 mm | 6 | – | – | 8.1 |
| October | 24°C | 13°C | 111 mm | 10 | – | – | 7.6 |
| November | 27°C | 15°C | 115 mm | 8 | – | – | 7.9 |
| December | 29°C | 18°C | 104 mm | 9 | – | – | 7.7 |